Allied-telesis AT-MCR12 Manual de usuario Pagina 47

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47
Chapter 3
Troubleshooting
Follow the guidelines below to test and troubleshoot the installation of the
AT-MCR12 chassis in the event that a problem occurs.
Verify that the PWR A main power supply and PWR B optional power
supply LEDs are green. If one of the LEDs is OFF, do the following:
Check to be sure that the power supply is securely connected to the
power outlet.
Check to be sure that the power supply is securely seated in the
chassis.
For a DC unit, check to be sure that the wires are connected to the
correct terminals.
If AT-MCR12 chassis is not operating correctly after testing and
troubleshooting the installation, refer to “Contacting Allied Telesis” on
page 14 or visit our web site at www.alliedtelesis.com for support
information.
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